Harry and Wilfrid were very charitable men who used their Steptoe persona to make a lot of money for people other than themselves... look at the following links to see a small example of Harry and Wilfrid in their charity work...

People who knew Harry often say that it was hard to get him to do any public apparances that WEREN'T for charity - he even had his own duplicate Steptoe costume which he would happily wear at charity events.